Setting Snap Accuracy
The raster snap operation is based on algorithms for raster objects recognition. The program calculates vector objects, approximating the specified raster lines and makes a snap to the characteristic points of these vector objects. That is why the operation of raster snap tools depends on the parameters which are set in the Options tab of the Conversion Options dialog box.
Raster snaps are only influenced by three parameters of the Options tab: Max Width, Max Break and Approximation Accuracy.
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